Michaell R.  B. Keighley . <br/><br/>
Surgery of the Anus Rectum & Colon Vol - 2  Textual Documents 

 - 3rd ed. . 
 -  Saunders  2008 
 - 1213. 
<br/><br/><label>ISBN: </label>9780702027230   
<br/><br/><label>Dewey Class. No.: </label>617  / KEI